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1. 发明授权

US11524552B2 Vehicle heater 有权
公开(公告)号：US11524552B2
公开(公告)日：2022-12-13
申请号：US15975086
申请日：2018-05-09
申请人： Eberspächer Climate Control Systems GmbH & Co. KG
发明人： Michael Humburg , Hans Jensen
IPC分类号： B60H1/22 , F04D29/66 , F04D23/00 , F23D3/40 , F24H9/00 , F24H3/06 , F04D25/06
摘要： A vehicle heater includes a heater housing (12′), through which heating air to be heated can flow, with a heating air inlet area and with a heating air outlet area. A burner unit is arranged in the heater housing. A combustion air blower (46′) is arranged in the heater housing for delivering combustion air to the burner unit. A heat exchanger unit is arranged in the heater housing (12′). Heating air flowing through the heater housing (12′) can flow around the heat exchanger unit. A combustion air intake muffler (76) is arranged essentially in the heater housing (12′). A muffler housing (78) made in one piece with the heater housing (12′) is associated with the combustion air blower (46′).

2. 发明申请

US20220307513A1 SIDE CHANNEL COMPRESSOR HAVING A SEAL ASSEMBLY 有权
公开(公告)号：US20220307513A1
公开(公告)日：2022-09-29
申请号：US17834565
申请日：2022-06-07
申请人： GARDNER DENVER DEUTSCHLAND GMBH
发明人： Evgenij Rjabchenko , Manuela Gans
IPC分类号： F04D29/08 , F04D23/00
摘要： A side channel compressor for compressing a gas includes a housing and at least one impeller which is arranged in the housing and configured to be driven in rotation about a central axis. In addition, the side channel compressor includes at least one seal assembly arranged in the housing and including at least one sealing device configured to seal at least one gap between the housing and the at least one impeller and be forced radially outward with respect to the central axis in order to keep the at least one gap small. The at least one seal assembly also includes at least one sealing-device-holding device configured to hold the at least one sealing device in an axially secured fashion with respect to the central axis and which includes at least one main holding body.

3. 发明授权

US11371515B2 Regenerative blower 有权
公开(公告)号：US11371515B2
公开(公告)日：2022-06-28
申请号：US16761222
申请日：2018-02-11
申请人： Fisher & Paykel Healthcare Limited
发明人： Donald Roy Kuriger , Johannes Nicolaas Bothma
IPC分类号： F04D23/00 , A61M16/00 , F04D25/06 , F04D29/42 , F04D29/18 , F04D29/66
摘要： In accordance with one aspect the present invention may comprise a regenerative blower comprising: a housing, a first port and second port in the housing, an airflow channel extending between the first and second ports for airflow between the ports, an impeller rotatable in an impeller channel to promote airflow in the airflow channel from the first port to the second port, a motor to drive the impeller, and an interrupter between the first and second ports to limit airflow from the second port to the first port.

4. 发明授权

US11335923B2 Side-channel compressor for a fuel cell system for conveying and/or compressing a gaseous medium 有权
公开(公告)号：US11335923B2
公开(公告)日：2022-05-17
申请号：US16764052
申请日：2018-09-24
申请人： Robert Bosch GmbH
发明人： Michael Kurz
IPC分类号： F04D29/08 , H01M8/04089 , H01M8/026 , H01M8/04746 , F04D29/42 , F04D23/00 , F04D29/18 , F04D5/00 , F04D29/26 , F04D29/70
摘要： A side-channel compressor (1) for a fuel cell system (37) for conveying and/or compressing a gas, in particular hydrogen, having a housing (3), having a compressor chamber (30) which is situated in the housing (3) and which has two encircling side channels (19, 21), having a compressor impeller (2) which is situated in the housing (3) and which is arranged so as to be rotatable about an axis of rotation (4), wherein the compressor impeller (2) has conveying cells (28) arranged at the circumference thereof and in the region of the compressor chamber (30), and having in each case one gas inlet opening (14) formed on the housing (3) and one gas outlet opening (16), which openings are fluidically connected to one another via the compressor chamber (30), in particular the two side channels (19, 21), and wherein, in the region of the compressor chamber (30), an encapsulation of the respective side channel (19, 21) is realized by at least one separation region (35) by means of a surface pairing of the compressor wheel (2) and of the housing (3). According to the invention, here, the at least one separation region (35) is formed by a surface pairing of the components compressor impeller (2) and housing (3) such that the respective one component has encircling edges (5), in particular with encircling tips (11), and the respective other component has an encircling, at least approximately planar counterpart surface (23).

5. 发明授权

US11248618B1 O-ring for side channel blower and side channel blower including said o-ring 有权
公开(公告)号：US11248618B1
公开(公告)日：2022-02-15
申请号：US16351624
申请日：2019-03-13
申请人： Eagletree-Pump Acquisition Corp.
发明人： Thomas Stergioulas , Raphael Sagher
IPC分类号： F04D29/08 , F16J15/02 , F04D23/00 , F04D29/42
摘要： An O-ring and a side channel blower employing an O-ring for providing a gap-free, air-tight seal of the blower channel and side-by-side pressure and vacuum ports. The O-ring includes a generally circular, main O-ring have two free ends for sealing a majority of the blower impeller channel, and two relatively smaller O-rings, each of which is attached to an opposite one of the free ends of the main O-ring and are spaced apart in a side-by-side manner and are connected to one another by a bridge member. The small O-rings are configured and dimensioned so that one of the small O-rings serves to seal the vacuum port of the blower and that the other of the small O-rings serves to seal the pressure port of the blower, with the two small O-rings and bridge member and free ends of the main O-ring arranged to create a generally spectacle-like shape.

6. 发明授权

US11143195B2 Machine and process for filterless wet removal of particles from and humidification of air 有权
公开(公告)号：US11143195B2
公开(公告)日：2021-10-12
申请号：US16180745
申请日：2018-11-05
申请人： Isaacs Hydropermutation Technologies, Inc.
发明人： Blake L. Isaacs , Cody Christopher Race , Boyd Kent Rowe
IPC分类号： F04D29/22 , B01D45/12 , F24F6/16 , B01D53/78 , F04D17/10 , F04D29/28 , F04D29/70 , F04D29/30 , F04D29/44 , F04D23/00 , B01D47/10 , F24F6/00 , F24F8/117
摘要： An improved air scrubber has an improved, more efficient, more robust impeller and impeller housing for mixing incoming air with water, scrubbing the air with increased efficiency and lower mean time between failures. Also water flow through the system is improved to prevent loss of scrubbing performance and to reduce user workload. In addition to these improvements, the water intake system has been redesigned to use less water, prevent using too much water, and to prevent previously common errors that require users to drain water from the impeller housing.

7. 发明申请

US20210262472A1 Water Heater Blower Housing, Impeller, and Static Tap System 有权
公开(公告)号：US20210262472A1
公开(公告)日：2021-08-26
申请号：US16799164
申请日：2020-02-24
申请人： Regal Beloit America, Inc.
发明人： Steven W. Post , Lyn D. Coones , Jeffrey J. Long
IPC分类号： F04D13/06 , F04D3/00 , F04D23/00 , F04D29/00 , F04D29/52
摘要： A blower has a blower housing of clamshell construction, including two housing members having a scroll back wall molded with radial draft, an impeller and a motor within the housing, and a static tap connected to the housing. The impeller has a backplate with a backplate back surface region of substantially the same radially converging shape as that of a front surface region of the scroll back wall formed by the radial draft, providing a substantially uniform axial gap between the backplate back surface region and the scroll back wall. The impeller has a ring connected by a skirt to the back plate to define a stepped area behind the ring. The impeller includes impeller blades extending forwardly from the impeller backplate and the ring and back fins extending rearwardly from the ring. The blower has a scroll width of about twice an impeller exhaust width.

8. 发明授权

US11098722B2 Internal combustion boundary layer turbine engine (BLTE) 有权
公开(公告)号：US11098722B2
公开(公告)日：2021-08-24
申请号：US13452810
申请日：2012-06-22
申请人： Daniel Woody
发明人： Daniel Woody
IPC分类号： F04D17/16 , F01D1/36 , F04D23/00
摘要： This invention, the “Internal Combustion Boundary Layer Turbine Engine” (BLTE), embodies the description of a “flat-disk radial flow turbine engine”. The BLTE uses the effects of “working fluid” or “exhaust” drag to convert the pressure of fuel combustibles to kinetic output energy in the form of a driven shaft. The BLTE application of “differentially sized flat blades” solves the problem of internal combustion and multi-stage operation for this new category of engine.
This engine offers the light weight and high power output capability of a continuous or pulsed burn-mode of a radial turbine engine. Relative to conventional radial flow turbine engines, this engine provides reduced exhaust flow, reduced emissions and offers simple, inexpensive construction with commonly available machine tools.

9. 发明申请

US20200296904A1 BLOWING SUCTION DEVICE 审中-公开
公开(公告)号：US20200296904A1
公开(公告)日：2020-09-24
申请号：US16897120
申请日：2020-06-09
申请人： Positec Power Tools (Suzhou) Co., Ltd
发明人： Xuefeng YU , Shiping JIAO
IPC分类号： A01G20/47 , A47L5/14 , F04D23/00
摘要： The present invention provides a single-tube blowing suction device, including a body (1), an airflow generation apparatus, a collection apparatus, and a blowing-suction tube (2). The airflow generation apparatus has an air inlet portion and an air outlet portion. The airflow generation apparatus is rotatably mounted on the body (1). The airflow generation apparatus rotates relative to the body (1) to enable the single-tube blowing suction device to switch between a suction mode and a blowing mode. In the suction mode, the air inlet portion of the airflow generation apparatus is in fluid communication with a first end (21) of the blowing-suction tube (2), and the air outlet portion of the airflow generation apparatus is in fluid communication with a connection port of the collection apparatus. In the blowing mode, the air outlet portion of the airflow generation apparatus is in fluid communication with the first end (21) of the blowing-suction tube. In the single-tube blowing suction device of the present invention, one tube is used for both blowing and suction. It is not necessary to detach and change a blowing tube and a suction tube to switch between blowing and suction. It is only necessary to rotate the airflow generation apparatus relative to the body by a particular angle to implement switching between blowing and suction. The human-machine interaction is desirable, so that the use comfort and work efficiency is improved.

10. 发明授权

US10590938B2 Irregular-pitch regenerative blower and optimization design method for same 有权
公开(公告)号：US10590938B2
公开(公告)日：2020-03-17
申请号：US15533175
申请日：2015-12-02
申请人： KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
发明人： Kyoung-Yong Lee , Young Seok Choi , Jin Hyuk Kim , Uk Hee Jung
IPC分类号： F04D23/00 , F04D29/66 , F04D5/00 , F04D29/18
摘要： Provided is a regenerative blower. According to an illustrative embodiment of the present invention, the regenerative blower comprises an impeller comprising a plurality of blades disposed spaced apart in the circumferential direction, wherein, in the plurality of blades, each blade gap is arranged at an incremental angle (ΔΘi).

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